Compositions – Water-softening or purifying or scale-inhibiting agents
Patent
1988-05-03
1989-03-28
Willis, Prince E.
Compositions
Water-softening or purifying or scale-inhibiting agents
252172, 252364, 252DIG9, 134 38, 134 40, C11D 732, C11D 750
Patent
active
048161748
ABSTRACT:
Azeotrope-like compositions comprising 1,1-dichloro-1-fluoroethane, methanol and nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards.
REFERENCES:
patent: 3573213 (1971-03-01), Burt
patent: 3936387 (1976-02-01), Reusser
patent: 4035258 (1977-07-01), Reusser
Anon., Research Disclosures, vol. 162, p. 70 (1977).
Lund Earl A. E.
Richard Robert G.
Shankland Ian R.
Wilson David P.
Allied-Signal Inc.
Friedenson Jay P.
Markowski Kathleen
Willis Prince E.
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